mismatched spark version?
> On Aug 4, 2016, at 8:11 AM, Brian Liao <brianbl...@gmail.com> wrote: > > Hi > > I am following this guide (http://zeppelin.apache.org/download.html > <http://zeppelin.apache.org/download.html>) to install Zeppelin, but wasn't > able to configure it and get it to work. I used the binary package (the one > that I don't need to compile anymore). > > I would like to have Zeppelin setup as a separate server but really have no > idea what the requirement of this would be. > > I have a Spark (1.5) standalone cluster setup. > > The error I get from my Zeppelin interpreter log when trying to run a simple > %md command is the following: > > INFO [2016-08-04 00:24:51,645] ({Thread-0} > RemoteInterpreterServer.java[run]:81) - Starting remote interpreter server on > port 40408 > INFO [2016-08-04 00:24:51,980] ({pool-1-thread-2} > RemoteInterpreterServer.java[createInterpreter]:169) - Instantiate > interpreter org.apache.zeppelin.spark.SparkInterpreter > INFO [2016-08-04 00:24:52,019] ({pool-1-thread-2} > RemoteInterpreterServer.java[createInterpreter]:169) - Instantiate > interpreter org.apache.zeppelin.spark.PySparkInterpreter > INFO [2016-08-04 00:24:52,023] ({pool-1-thread-2} > RemoteInterpreterServer.java[createInterpreter]:169) - Instantiate > interpreter org.apache.zeppelin.spark.SparkRInterpreter > INFO [2016-08-04 00:24:52,024] ({pool-1-thread-2} > RemoteInterpreterServer.java[createInterpreter]:169) - Instantiate > interpreter org.apache.zeppelin.spark.SparkSqlInterpreter > INFO [2016-08-04 00:24:52,027] ({pool-1-thread-2} > RemoteInterpreterServer.java[createInterpreter]:169) - Instantiate > interpreter org.apache.zeppelin.spark.DepInterpreter > INFO [2016-08-04 00:24:52,056] ({pool-2-thread-2} > SchedulerFactory.java[jobStarted]:131) - Job remoteInterpretJob_1470270292054 > started by scheduler org.apache.zeppelin.spark.SparkInterpreter1041596993 > WARN [2016-08-04 00:24:52,897] ({pool-2-thread-2} > NativeCodeLoader.java[<clinit>]:62) - Unable to load native-hadoop library > for your platform... using builtin-java classes where applicable > INFO [2016-08-04 00:24:53,046] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Changing view acls to: root > INFO [2016-08-04 00:24:53,047] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Changing modify acls to: root > INFO [2016-08-04 00:24:53,047] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - SecurityManager: authentication disabled; ui acls disabled; users with view > permissions: Set(root); users with modify permissions: Set(root) > INFO [2016-08-04 00:24:53,279] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Starting HTTP Server > INFO [2016-08-04 00:24:53,316] ({pool-2-thread-2} Server.java[doStart]:272) > - jetty-8.y.z-SNAPSHOT > INFO [2016-08-04 00:24:53,329] ({pool-2-thread-2} > AbstractConnector.java[doStart]:338) - Started SocketConnector@0.0.0.0:42231 > <http://SocketConnector@0.0.0.0:42231/> > INFO [2016-08-04 00:24:53,330] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Successfully started service 'HTTP class server' on port 42231. > INFO [2016-08-04 00:24:55,298] ({pool-2-thread-2} > SparkInterpreter.java[createSparkContext]:233) - ------ Create new > SparkContext spark://10.1.4.190:7077 <http://10.1.4.190:7077/> ------- > INFO [2016-08-04 00:24:55,313] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Running Spark version 1.6.1 > WARN [2016-08-04 00:24:55,326] ({pool-2-thread-2} > Logging.scala[logWarning]:70) - > SPARK_CLASSPATH was detected (set to > ':/home/ubuntu/zeppelin/interpreter/spark/dep/*:/home/ubuntu/zeppelin/interpreter/spark/*::/home/ubuntu/zeppelin/conf:/home/ubuntu/zeppelin/conf:/home/ubuntu/zeppelin/lib/zeppelin-interpreter-0.6.0.jar:/etc/hadoop/conf/'). > This is deprecated in Spark 1.0+. > > Please instead use: > - ./spark-submit with --driver-class-path to augment the driver classpath > - spark.executor.extraClassPath to augment the executor classpath > > WARN [2016-08-04 00:24:55,327] ({pool-2-thread-2} > Logging.scala[logWarning]:70) - Setting 'spark.executor.extraClassPath' to > ':/home/ubuntu/zeppelin/interpreter/spark/dep/*:/home/ubuntu/zeppelin/interpreter/spark/*::/home/ubuntu/zeppelin/conf:/home/ubuntu/zeppelin/conf:/home/ubuntu/zeppelin/lib/zeppelin-interpreter-0.6.0.jar:/etc/hadoop/conf/' > as a work-around. > WARN [2016-08-04 00:24:55,327] ({pool-2-thread-2} > Logging.scala[logWarning]:70) - Setting 'spark.driver.extraClassPath' to > ':/home/ubuntu/zeppelin/interpreter/spark/dep/*:/home/ubuntu/zeppelin/interpreter/spark/*::/home/ubuntu/zeppelin/conf:/home/ubuntu/zeppelin/conf:/home/ubuntu/zeppelin/lib/zeppelin-interpreter-0.6.0.jar:/etc/hadoop/conf/' > as a work-around. > INFO [2016-08-04 00:24:55,338] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Changing view acls to: root > INFO [2016-08-04 00:24:55,339] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Changing modify acls to: root > INFO [2016-08-04 00:24:55,339] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - SecurityManager: authentication disabled; ui acls disabled; users with view > permissions: Set(root); users with modify permissions: Set(root) > INFO [2016-08-04 00:24:55,483] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Successfully started service 'sparkDriver' on port 56365. > INFO [2016-08-04 00:24:55,723] > ({sparkDriverActorSystem-akka.actor.default-dispatcher-4} > Slf4jLogger.scala[applyOrElse]:80) - Slf4jLogger started > INFO [2016-08-04 00:24:55,749] > ({sparkDriverActorSystem-akka.actor.default-dispatcher-4} > Slf4jLogger.scala[apply$mcV$sp]:74) - Starting remoting > INFO [2016-08-04 00:24:55,869] > ({sparkDriverActorSystem-akka.actor.default-dispatcher-4} > Slf4jLogger.scala[apply$mcV$sp]:74) - Remoting started; listening on > addresses :[akka.tcp://sparkDriverActorSystem@10.1.4.253:57523 > <http://sparkDriverActorSystem@10.1.4.253:57523/>] > INFO [2016-08-04 00:24:55,869] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Successfully started service 'sparkDriverActorSystem' on port 57523. > INFO [2016-08-04 00:24:55,878] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Registering MapOutputTracker > INFO [2016-08-04 00:24:55,894] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Registering BlockManagerMaster > INFO [2016-08-04 00:24:55,904] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Created local directory at > /tmp/blockmgr-947bf6b6-5c70-4d29-b4b0-975692e0c08d > INFO [2016-08-04 00:24:55,908] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - MemoryStore started with capacity 511.1 MB > INFO [2016-08-04 00:24:55,981] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Registering OutputCommitCoordinator > INFO [2016-08-04 00:24:56,081] ({pool-2-thread-2} Server.java[doStart]:272) > - jetty-8.y.z-SNAPSHOT > INFO [2016-08-04 00:24:56,100] ({pool-2-thread-2} > AbstractConnector.java[doStart]:338) - Started > SelectChannelConnector@0.0.0.0:4040 > <http://SelectChannelConnector@0.0.0.0:4040/> > INFO [2016-08-04 00:24:56,100] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Successfully started service 'SparkUI' on port 4040. > INFO [2016-08-04 00:24:56,103] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Started SparkUI at http://10.1.4.253:4040 <http://10.1.4.253:4040/> > INFO [2016-08-04 00:24:56,215] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - HTTP File server directory is > /tmp/spark-96766055-2740-40cc-b077-475152c38b03/httpd-e1f81450-2a99-413e-af3f-b21fb5ece333 > INFO [2016-08-04 00:24:56,215] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Starting HTTP Server > INFO [2016-08-04 00:24:56,216] ({pool-2-thread-2} Server.java[doStart]:272) > - jetty-8.y.z-SNAPSHOT > INFO [2016-08-04 00:24:56,218] ({pool-2-thread-2} > AbstractConnector.java[doStart]:338) - Started SocketConnector@0.0.0.0:42734 > <http://SocketConnector@0.0.0.0:42734/> > INFO [2016-08-04 00:24:56,218] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Successfully started service 'HTTP file server' on port 42734. > INFO [2016-08-04 00:24:56,233] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Copying /home/ubuntu/zeppelin/interpreter/spark/pyspark/pyspark.zip to > /tmp/spark-96766055-2740-40cc-b077-475152c38b03/userFiles-9f602668-e282-4214-be77-c68e36e9e110/pyspark.zip > INFO [2016-08-04 00:24:56,242] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Added file file:/home/ubuntu/zeppelin/interpreter/spark/pyspark/pyspark.zip > at http://10.1.4.253:42734/files/pyspark.zip > <http://10.1.4.253:42734/files/pyspark.zip> with timestamp 1470270296233 > INFO [2016-08-04 00:24:56,243] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Copying /home/ubuntu/zeppelin/interpreter/spark/pyspark/py4j-0.9-src.zip to > /tmp/spark-96766055-2740-40cc-b077-475152c38b03/userFiles-9f602668-e282-4214-be77-c68e36e9e110/py4j-0.9-src.zip > INFO [2016-08-04 00:24:56,251] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Added file > file:/home/ubuntu/zeppelin/interpreter/spark/pyspark/py4j-0.9-src.zip at > http://10.1.4.253:42734/files/py4j-0.9-src.zip > <http://10.1.4.253:42734/files/py4j-0.9-src.zip> with timestamp 1470270296243 > INFO [2016-08-04 00:24:56,285] ({pool-2-thread-2} Logging.scala[logInfo]:58) > - Created default pool default, schedulingMode: FIFO, minShare: 0, weight: 1 > INFO [2016-08-04 00:24:56,330] ({appclient-register-master-threadpool-0} > Logging.scala[logInfo]:58) - Connecting to master spark://10.1.4.190:7077 > <spark://10.1.4.190:7077>... > INFO [2016-08-04 00:25:16,331] ({appclient-register-master-threadpool-0} > Logging.scala[logInfo]:58) - Connecting to master spark://10.1.4.190:7077 > <spark://10.1.4.190:7077>... > ERROR [2016-08-04 00:25:16,341] ({shuffle-client-0} > TransportResponseHandler.java[channelUnregistered]:122) - Still have 2 > requests outstanding when connection from ip-10-1-4-190/10.1.4.190:7077 > <http://10.1.4.190:7077/> is closed > WARN [2016-08-04 00:25:16,343] ({appclient-register-master-threadpool-0} > Logging.scala[logWarning]:91) - Failed to connect to master 10.1.4.190:7077 > <http://10.1.4.190:7077/> > java.io.IOException: Connection from ip-10-1-4-190/10.1.4.190:7077 > <http://10.1.4.190:7077/> closed > at > org.apache.spark.network.client.TransportResponseHandler.channelUnregistered(TransportResponseHandler.java:124) > at > org.apache.spark.network.server.TransportChannelHandler.channelUnregistered(TransportChannelHandler.java:94) > at > io.netty.channel.AbstractChannelHandlerContext.invokeChannelUnregistered(AbstractChannelHandlerContext.java:158) > at > io.netty.channel.AbstractChannelHandlerContext.fireChannelUnregistered(AbstractChannelHandlerContext.java:144) > at > io.netty.channel.ChannelInboundHandlerAdapter.channelUnregistered(ChannelInboundHandlerAdapter.java:53) > at > io.netty.channel.AbstractChannelHandlerContext.invokeChannelUnregistered(AbstractChannelHandlerContext.java:158) > at > io.netty.channel.AbstractChannelHandlerContext.fireChannelUnregistered(AbstractChannelHandlerContext.java:144) > at > io.netty.channel.ChannelInboundHandlerAdapter.channelUnregistered(ChannelInboundHandlerAdapter.java:53) > at > io.netty.channel.AbstractChannelHandlerContext.invokeChannelUnregistered(AbstractChannelHandlerContext.java:158) > at > io.netty.channel.AbstractChannelHandlerContext.fireChannelUnregistered(AbstractChannelHandlerContext.java:144) > at > io.netty.channel.ChannelInboundHandlerAdapter.channelUnregistered(ChannelInboundHandlerAdapter.java:53) > at > io.netty.channel.AbstractChannelHandlerContext.invokeChannelUnregistered(AbstractChannelHandlerContext.java:158) > at > io.netty.channel.AbstractChannelHandlerContext.fireChannelUnregistered(AbstractChannelHandlerContext.java:144) > at > io.netty.channel.DefaultChannelPipeline.fireChannelUnregistered(DefaultChannelPipeline.java:739) > at > io.netty.channel.AbstractChannel$AbstractUnsafe$8.run(AbstractChannel.java:659) > at > io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:357) > at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357) > at > io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111) > at java.lang.Thread.run(Thread.java:745) > INFO [2016-08-04 00:25:36,330] ({appclient-register-master-threadpool-0} > Logging.scala[logInfo]:58) - Connecting to master spark://10.1.4.190:7077 > <spark://10.1.4.190:7077>... > INFO [2016-08-04 00:25:36,331] ({appclient-register-master-threadpool-0} > Logging.scala[logInfo]:58) - Connecting to master spark://10.1.4.190:7077 > <spark://10.1.4.190:7077>... > ERROR [2016-08-04 00:25:36,332] ({shuffle-client-0} > TransportClient.java[operationComplete]:235) - Failed to send RPC > 5850386894071965768 to ip-10-1-4-190/10.1.4.190:7077 > <http://10.1.4.190:7077/>: java.nio.channels.ClosedChannelException > java.nio.channels.ClosedChannelException > ERROR [2016-08-04 00:25:36,333] ({shuffle-client-0} > TransportClient.java[operationComplete]:235) - Failed to send RPC > 4955841159714871653 to ip-10-1-4-190/10.1.4.190:7077 > <http://10.1.4.190:7077/>: java.nio.channels.ClosedChannelException > java.nio.channels.ClosedChannelException > WARN [2016-08-04 00:25:36,334] ({appclient-register-master-threadpool-0} > Logging.scala[logWarning]:91) - Failed to connect to master 10.1.4.190:7077 > <http://10.1.4.190:7077/> > java.io.IOException: Failed to send RPC 4955841159714871653 to > ip-10-1-4-190/10.1.4.190:7077 <http://10.1.4.190:7077/>: > java.nio.channels.ClosedChannelException > at > org.apache.spark.network.client.TransportClient$3.operationComplete(TransportClient.java:239) > at > org.apache.spark.network.client.TransportClient$3.operationComplete(TransportClient.java:226) > at > io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:680) > at > io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:567) > at > io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:424) > at > io.netty.channel.AbstractChannel$AbstractUnsafe.safeSetFailure(AbstractChannel.java:801) > at > io.netty.channel.AbstractChannel$AbstractUnsafe.write(AbstractChannel.java:699) > at > io.netty.channel.DefaultChannelPipeline$HeadContext.write(DefaultChannelPipeline.java:1122) > at > io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:633) > at > io.netty.channel.AbstractChannelHandlerContext.access$1900(AbstractChannelHandlerContext.java:32) > at > io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.write(AbstractChannelHandlerContext.java:908) > at > io.netty.channel.AbstractChannelHandlerContext$WriteAndFlushTask.write(AbstractChannelHandlerContext.java:960) > at > io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.run(AbstractChannelHandlerContext.java:893) > at > io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:357) > at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357) > at > io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111) > at java.lang.Thread.run(Thread.java:745) > Caused by: java.nio.channels.ClosedChannelException > INFO [2016-08-04 00:25:56,330] ({appclient-register-master-threadpool-0} > Logging.scala[logInfo]:58) - Connecting to master spark://10.1.4.190:7077 > <spark://10.1.4.190:7077>... > INFO [2016-08-04 00:25:56,331] ({appclient-register-master-threadpool-0} > Logging.scala[logInfo]:58) - Connecting to master spark://10.1.4.190:7077 > <spark://10.1.4.190:7077>... > ERROR [2016-08-04 00:25:56,332] ({appclient-registration-retry-thread} > Logging.scala[logError]:74) - Application has been killed. Reason: All > masters are unresponsive! Giving up. > ERROR [2016-08-04 00:25:56,334] ({shuffle-client-0} > TransportClient.java[operationComplete]:235) - Failed to send RPC > 6244878284399143650 to ip-10-1-4-190/10.1.4.190:7077 > <http://10.1.4.190:7077/>: java.nio.channels.ClosedChannelException > java.nio.channels.ClosedChannelException > WARN [2016-08-04 00:25:56,335] ({pool-2-thread-2} > Logging.scala[logWarning]:70) - Application ID is not initialized yet. > ERROR [2016-08-04 00:25:56,339] ({shuffle-client-0} > TransportClient.java[operationComplete]:235) - Failed to send RPC > 4693556837279618360 to ip-10-1-4-190/10.1.4.190:7077 > <http://10.1.4.190:7077/>: java.nio.channels.ClosedChannelException > java.nio.channels.ClosedChannelException > WARN [2016-08-04 00:25:56,340] ({appclient-register-master-threadpool-0} > Logging.scala[logWarning]:91) - Failed to connect to master 10.1.4.190:7077 > <http://10.1.4.190:7077/> > java.io.IOException: Failed to send RPC 4693556837279618360 to > ip-10-1-4-190/10.1.4.190:7077 <http://10.1.4.190:7077/>: > java.nio.channels.ClosedChannelException > at > org.apache.spark.network.client.TransportClient$3.operationComplete(TransportClient.java:239) > at > org.apache.spark.network.client.TransportClient$3.operationComplete(TransportClient.java:226) > at > io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:680) > at > io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:567) > at > io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:424) > at > io.netty.channel.AbstractChannel$AbstractUnsafe.safeSetFailure(AbstractChannel.java:801) > at > io.netty.channel.AbstractChannel$AbstractUnsafe.write(AbstractChannel.java:699) > at > io.netty.channel.DefaultChannelPipeline$HeadContext.write(DefaultChannelPipeline.java:1122) > at > io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:633) > at > io.netty.channel.AbstractChannelHandlerContext.access$1900(AbstractChannelHandlerContext.java:32) > at > io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.write(AbstractChannelHandlerContext.java:908) > at > io.netty.channel.AbstractChannelHandlerContext$WriteAndFlushTask.write(AbstractChannelHandlerContext.java:960) > at > io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.run(AbstractChannelHandlerContext.java:893) > at > io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:357) > at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357) > at > io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111) > at java.lang.Thread.run(Thread.java:745) > Caused by: java.nio.channels.ClosedChannelException > > > The error log from my spark master is: > > 16/08/04 00:25:15 ERROR actor.OneForOneStrategy: Error while decoding > incoming Akka PDU of length: 1305 > akka.remote.transport.AkkaProtocolException: Error while decoding incoming > Akka PDU of length: 1305 > Caused by: akka.remote.transport.PduCodecException: Decoding PDU failed. > at > akka.remote.transport.AkkaPduProtobufCodec$.decodePdu(AkkaPduCodec.scala:167) > at > akka.remote.transport.ProtocolStateActor.akka$remote$transport$ProtocolStateActor$$decodePdu(AkkaProtocolTransport.scala:513) > at > akka.remote.transport.ProtocolStateActor$$anonfun$4.applyOrElse(AkkaProtocolTransport.scala:320) > at > akka.remote.transport.ProtocolStateActor$$anonfun$4.applyOrElse(AkkaProtocolTransport.scala:292) > at > scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:33) > at akka.actor.FSM$class.processEvent(FSM.scala:595) > at > akka.remote.transport.ProtocolStateActor.processEvent(AkkaProtocolTransport.scala:220) > at akka.actor.FSM$class.akka$actor$FSM$$processMsg(FSM.scala:589) > at akka.actor.FSM$$anonfun$receive$1.applyOrElse(FSM.scala:583) > at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498) > at akka.actor.ActorCell.invoke(ActorCell.scala:456) > at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237) > at akka.dispatch.Mailbox.run(Mailbox.scala:219) > at > akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:386) > at > scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) > at > scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) > at > scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) > at > scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) > Caused by: com.google.protobuf_spark.InvalidProtocolBufferException: Protocol > message contained an invalid tag (zero). > at > com.google.protobuf_spark.InvalidProtocolBufferException.invalidTag(InvalidProtocolBufferException.java:68) > at > com.google.protobuf_spark.CodedInputStream.readTag(CodedInputStream.java:108) > at > akka.remote.WireFormats$AkkaProtocolMessage$Builder.mergeFrom(WireFormats.java:5410) > at > akka.remote.WireFormats$AkkaProtocolMessage$Builder.mergeFrom(WireFormats.java:5275) > at > com.google.protobuf_spark.AbstractMessage$Builder.mergeFrom(AbstractMessage.java:300) > at > com.google.protobuf_spark.AbstractMessage$Builder.mergeFrom(AbstractMessage.java:238) > at > com.google.protobuf_spark.AbstractMessageLite$Builder.mergeFrom(AbstractMessageLite.java:162) > at > com.google.protobuf_spark.AbstractMessage$Builder.mergeFrom(AbstractMessage.java:716) > at > com.google.protobuf_spark.AbstractMessage$Builder.mergeFrom(AbstractMessage.java:238) > at > com.google.protobuf_spark.AbstractMessageLite$Builder.mergeFrom(AbstractMessageLite.java:153) > at > com.google.protobuf_spark.AbstractMessage$Builder.mergeFrom(AbstractMessage.java:709) > at > akka.remote.WireFormats$AkkaProtocolMessage.parseFrom(WireFormats.java:5209) > at > akka.remote.transport.AkkaPduProtobufCodec$.decodePdu(AkkaPduCodec.scala:168) > ... 17 more > > Regards, > > Brian